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print call stack in C or C++
...clude/boost/stacktrace/stacktrace.hpp:129
1# my_func_1(int) at /home/ciro/test/boost_stacktrace.cpp:18
2# main at /home/ciro/test/boost_stacktrace.cpp:29 (discriminator 2)
3# __libc_start_main in /lib/x86_64-linux-gnu/libc.so.6
4# _start in ./boost_stacktrace.out
0# boost::stacktrace::basic_st...
SQL join: selecting the last records in a one-to-many relationship
...
This is an example of the greatest-n-per-group problem that has appeared regularly on StackOverflow.
Here's how I usually recommend solving it:
SELECT c.*, p1.*
FROM customer c
JOIN purchase p1 ON (c.id = p1.customer_id)
LEFT OUTER JOIN purchase p2 ON (...
Microsecond timing in JavaScript
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I really liked this response. I ran a few tests and came up with an example you can drop into your console to see that this still will have dramatic collisions when using this. (note I was getting 10% collisions on a good machine even with doing something as expensiv...
Do spurious wakeups in Java actually happen?
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I read the post and gave me an idea about having unit tests for testing one application's conformance to the looping-wait paradigm by waking it up randomly/deterministically. Or is it already available somewhere?
– akarnokd
Jun 26 '09 at 19...
Generating random integer from a range
... distributed numbers regardless the quality of rand(). For a comprehensive test of the quality of this method, please read this.
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How do I get a Cron like scheduler in Python? [closed]
... self.action(*self.args, **self.kwargs)
(Note: Not thoroughly tested)
Then your CronTab can be specified in normal python syntax as:
c = CronTab(
Event(perform_backup, 0, 2, dow=6 ),
Event(purge_temps, 0, range(9,18,2), dow=range(0,5))
)
This way you get the full power of Python...
How do I write stderr to a file while using “tee” with a pipe?
...understand what you want to do or what the problem is you're having. echo test; exit doesn't produce any output on stdout, so err will remain empty.
– lhunath
Aug 25 '13 at 0:46
1...
Difference between document.addEventListener and window.addEventListener?
...ous about the "bubbling up to the document but not the window" thing. So I tested it here -> jsfiddle.net/k3qv9/1 Am I missing something or does the bubbling actually occur?
– banzomaikaka
Aug 20 '12 at 21:43
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Does git return specific return error codes?
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I set-up a test to fail. This is what I got:
$ git merge newbranch
Auto-merging test.txt
CONFLICT (content): Merge conflict in test.txt
Automatic merge failed; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when...
iPhone app in landscape mode, 2008 systems
...the first time" has been resolved.
As of April 2011, it is not possible to test or even build anything below 4.0, so the question is purely a historic curiosity. It's incredible how much trouble it caused developers for so long!
Here is the original discussion and solution. This is utterly irrelev...